A layer built on top of the Insight Toolkit (ITK)
ProStack - a platform for image processing and analysis
Multi-platform API for Image Processing systems in Life Sciences
Effective Linear Algebra and Computer Vision Library with JAVA
matlab 2D image processing GUI toolbox for flow visualization
Add watermark to any image or photo (batch processing available).
View and alter images (batch processing available).
iwatermark is a image watermarking web application.